Home/Compare/vigil-llm vs llm-guard

Comparison

vigil-llm vs llm-guard

Verdict

Pick vigil-llm if vigil-llm is designed for users who need robust security measures to protect against prompt injections and jailbreak attempts in LLMs; pick llm-guard if lLM Guard is a toolkit tailored for securing interactions with large language models, focusing on safeguarding against prompt injection and adversarial attacks.

Markdown twin · vigil-llm alternatives · llm-guard alternatives

GraphCanon updated today

vigil-llm logo

vigil-llm

deadbits/vigil-llm

496pushed Jan 31, 2024
vs
llm-guard logo

llm-guard

protectai/llm-guard

3.2kpushed Jul 8, 2026

Trust & integrity

Signalvigil-llmllm-guard
Maintenance
Dormant (932d since push)
As of today · github_public_v1
Archived (27d since push)
As of 2w · github_public_v1
Provenance
Not a fork · Personal account
As of today · github_public_v1
Not a fork · Organization account
As of 2w · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of 1mo · osv@v1
No lockfile (source not queried)
As of 1mo · osv@v1
deps.dev advisories
Not queried
deps.dev@v1
Not queried
deps.dev@v1
OpenSSF Scorecard
Not queried
openssf-scorecard@v1
Not queried
openssf-scorecard@v1

Tagline

vigil-llm
Detect prompt injections and other risky inputs in LLMs
llm-guard
The Security Toolkit for LLM Interactions

Stars

vigil-llm
496
llm-guard
3.2k

Forks

vigil-llm
56
llm-guard
435

Open issues

vigil-llm
16
llm-guard
40

Language

vigil-llm
Python
llm-guard
Python

Adopt for

vigil-llm
Vigil-llm is designed for users who need robust security measures to protect against prompt injections and jailbreak attempts in LLMs.
llm-guard
LLM Guard is a toolkit tailored for securing interactions with large language models, focusing on safeguarding against prompt injection and adversarial attacks.

Persona

vigil-llm
-
llm-guard
-

Runtime

vigil-llm
-
llm-guard
-

License

vigil-llm
Apache-2.0
llm-guard
MIT

Last pushed

vigil-llm
Jan 31, 2024
llm-guard
Jul 8, 2026

Categories

vigil-llm
Evaluation & Observability
llm-guard
Developer Tools, Evaluation & Observability

Trust and health

Maintenance

vigil-llm
Dormant (18%)
llm-guard
Archived (8%)

Days since push

vigil-llm
932d
llm-guard
27d

Archived on GitHub

vigil-llm
No
llm-guard
Yes

Open issues (now)

vigil-llm
16
llm-guard
40

Stars delta

vigil-llm
+5 (30d)
llm-guard
Unknown

Open issues delta

vigil-llm
0 (30d)
llm-guard
Unknown

Owner type

vigil-llm
User
llm-guard
Organization

Full report

vigil-llm
Trust report
llm-guard
Trust report

Typed relationship

vigil-llm alternative llm-guardBoth llm-guard and vigil-llm are security tools designed to protect against potential threats in Large Language Model interactions, such as prompt injection attacks.

Shared compatibility

  • Python · vigil-llm: Python runtime · llm-guard: Python runtime

Choose vigil-llm if…

  • License: vigil-llm is Apache-2.0, llm-guard is MIT.
  • Both llm-guard and vigil-llm are security tools designed to protect against potential threats in Large Language Model interactions, such as prompt injection attacks.
  • Tags unique to vigil-llm: adversarial-attacks.
  • vigil-llm ships Docker support for self-hosted deployment.
  • When deploying large language models that require high levels of input security, vigil-llm can be employed to detect maliciously crafted inputs intended to manipulate model behavior.

When NOT to use vigil-llm

  • If your application does not require high security against malicious inputs or if the risks of prompt injection are minimal due to controlled input sources, vigil-llm might be unnecessary.
  • For projects that focus on optimizing output speed rather than input robustness, other tools might be more appropriate as vigil-llm could add significant processing overhead.

Choose llm-guard if…

  • License: llm-guard is MIT, vigil-llm is Apache-2.0.
  • Requirements: Min 2 GB RAM; Ensure you have Python version 3.9 or higher.; Some advanced features require additional libraries which are automatically installed as needed..
  • Both llm-guard and vigil-llm are security tools designed to protect against potential threats in Large Language Model interactions, such as prompt injection attacks.
  • Tags unique to llm-guard: adversarial-machine-learning, chatgpt, prompt-engineering, security-tools.
  • Also covers Developer Tools.
  • - You need to secure your application from sophisticated prompt injection techniques.

When NOT to use llm-guard

  • - If you are working in a low-security environment or with small-scale projects where advanced security mechanisms are not necessary.
  • - In cases where integrating external libraries and ensuring Python version compatibility may introduce complexities that outweigh the benefits.

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: vigil-llm 496 · llm-guard 3.2k (synced Aug 21, 2026).

Common questions

What is the difference between vigil-llm and llm-guard?
vigil-llm: Detect prompt injections and other risky inputs in LLMs. llm-guard: The Security Toolkit for LLM Interactions. See the comparison table for live GitHub stats and shared categories.
When should I choose vigil-llm over llm-guard?
Choose vigil-llm over llm-guard when License: vigil-llm is Apache-2.0, llm-guard is MIT; Both llm-guard and vigil-llm are security tools designed to protect against potential threats in Large Language Model interactions, such as prompt injection attacks; Tags unique to vigil-llm: adversarial-attacks; vigil-llm ships Docker support for self-hosted deployment; When deploying large language models that require high levels of input security, vigil-llm can be employed to detect maliciously crafted inputs intended to manipulate model behavior.
When should I choose llm-guard over vigil-llm?
Choose llm-guard over vigil-llm when License: llm-guard is MIT, vigil-llm is Apache-2.0; Requirements: Min 2 GB RAM; Ensure you have Python version 3.9 or higher.; Some advanced features require additional libraries which are automatically installed as needed.; Both llm-guard and vigil-llm are security tools designed to protect against potential threats in Large Language Model interactions, such as prompt injection attacks; Tags unique to llm-guard: adversarial-machine-learning, chatgpt, prompt-engineering, security-tools; Also covers Developer Tools; - You need to secure your application from sophisticated prompt injection techniques.
When should I avoid vigil-llm?
If your application does not require high security against malicious inputs or if the risks of prompt injection are minimal due to controlled input sources, vigil-llm might be unnecessary. For projects that focus on optimizing output speed rather than input robustness, other tools might be more appropriate as vigil-llm could add significant processing overhead.
When should I avoid llm-guard?
- If you are working in a low-security environment or with small-scale projects where advanced security mechanisms are not necessary. - In cases where integrating external libraries and ensuring Python version compatibility may introduce complexities that outweigh the benefits.
Is vigil-llm or llm-guard more popular on GitHub?
llm-guard has more GitHub stars (3,202 vs 496). Stars measure visibility, not whether either tool fits your constraints.
Are vigil-llm and llm-guard open source?
Yes - both are open-source projects on GitHub (vigil-llm: Apache-2.0, llm-guard: MIT).
Where can I find alternatives to vigil-llm or llm-guard?
GraphCanon lists graph-backed alternatives at vigil-llm alternatives and llm-guard alternatives (vigil-llm markdown twin, llm-guard markdown twin), ranked by typed relationship edges rather than popularity votes.
Is there a machine-readable version of this comparison?
Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, vigil-llm or llm-guard?
vigil-llm: Dormant. llm-guard: Archived. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
Where are the full trust reports for vigil-llm and llm-guard?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: vigil-llm trust report; llm-guard trust report.

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